Question rPreview

Question rPreview

Postby byte-one » Thu Mar 03, 2016 6:18 pm

Hi to all!
I have seen, that the minipages in preview in WIN XP are not right visible (transparent?). Can anyone test this?
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Günther
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Re: Question rPreview

Postby nageswaragunupudi » Thu Mar 03, 2016 11:35 pm

Do you have XP? Can you please post a screen shot?
Meanwhile, can you build \fwh\samples\ximage02.prg and check how it looks on XP as well as later OS ?
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G. N. Rao.
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Re: Question rPreview

Postby byte-one » Fri Mar 04, 2016 12:23 am

Same routines to make bitmaps with CreateCompatibleBitmap() use on other places in program without problems! if i use CreateCompatibleBitmap() only in black/white (the standard hdc) is ok! My opinion is that TImageList() or TTreeView() is the problem!
Tomorrow ill send a screenshoot!
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Günther
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Re: Question rPreview

Postby nageswaragunupudi » Fri Mar 04, 2016 12:29 am

Thanks.
Meanwhile, as I suggested please check ximage02.prg also. This is another approach to preview. This is to check if this alternative approach works on XP
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Re: Question rPreview

Postby byte-one » Fri Mar 04, 2016 11:56 am

Mr. Rao, tested ximage02.prg in XP. All ok!
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Re: Question rPreview

Postby nageswaragunupudi » Fri Mar 04, 2016 12:06 pm

byte-one wrote:Mr. Rao, tested ximage02.prg in XP. All ok!

Good to know.
But do you still have the problem with our standard RPreview on XP?
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Re: Question rPreview

Postby byte-one » Fri Mar 04, 2016 12:17 pm

Yes, but i switch the thumbnails in XP to black/white and then is ok!
Code: Select all  Expand view
local hDC1 := GetDC( 0 )
   local hDC := CreateCompatibleDC( hDC1 )
   local hBmp := CreateCompatibleBitmap( if(iswinxp(),hDC,hDC1), nWidth, nHeight )    //switching here!
   local hOldBmp := SelectObject( hDC, hBmp )
   local hEMF := GetEnhMetaFile( cEmf )

Is TImageList() the reason??
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